NSN 4820-01-420-8501
Part Details | SAFETY RELIEF VALVE
4820-01-420-8501 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Alternate Parts: 7M666D230, 7M666D2-30, 559A4MP30, 559A-4MP-30, 559A4DB30, 559A-4DB-30, 559A2MP30, 559A-2MP-30, 4820-01-420-8501, 01-420-8501, 4820014208501, 014208501
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 26, 1995 | 01-420-8501 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Cross Reference | NSN 4820-01-420-8501
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7M666D2-30 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 559A-4MP-30 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 559A-4DB-30 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 559A-2MP-30 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
Technical Data | NSN 4820-01-420-8501
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH |
| MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT |